各种时态的谓语形式与时间状语

always,often,usually,sometimes,never,hardly,onceaweek,everyday,onSunday,waswereyesterday,lastweek,.ago,in1997,justnowwill,shall+tomorrow,nextweek,soonin+would+thenextday,in+am,is,are+now,listen,look,was,were+when+atthattime,atsixyesterday,lastnighthavehasbeen+allday,allnight,thewholeday,since+,for+since+have,has+had+bythetime+before,bytheendof+begoingtoam,is,aregoingto+tomorrow,nextweek,soon,in+1.already()ever()never()just()have/has2.yet(),before(),sofar(),inthelastfewyears(),inthepasttendays()oncetwice()threetimes()3.for+since+since+4.always,often,usually,sometimes,never,hardly,onceaweek,everyday,onSunday,waswereyesterday,lastweek,.ago,in1997,justnowwill,shall+tomorrow,nextweek,soonin+would+thenextday,in+am,is,are+now,listen,look,was,were+when+atthattime,atsixyesterday,lastnighthavehasbeen+allday,allnight,thewholeday,since+,for+since+have,has+had+bythetime+before,bytheendof+begoingtoam,is,aregoingto+tomorrow,nextweek,soon,in+1.already()ever()never()just()have/has2.yet(),before(),sofar(),inthelastfewyears(),inthepasttendays()oncetwice()threetimes()3.for+since+since+4.